Laguna S 2.1 vs Sakana Namazu: Specs & Benchmark Comparison

Laguna S 2.1 is developed by Poolside, while Sakana Namazu comes from Sakana AI. Laguna S 2.1 was released in July 2026, and Sakana Namazu followed a month later in August 2026. Laguna S 2.1 has a published size of about 118 billion parameters; Sakana AI has not disclosed the parameter count of Sakana Namazu.

We have 6 benchmark results for Laguna S 2.1 and 3 benchmark results for Sakana Namazu, but they were measured on different benchmarks, so there is no like-for-like scoreboard.

Laguna S 2.1 is the cheaper API at $0.10 per million input tokens and $0.20 per million output tokens, roughly 10 times cheaper than Sakana Namazu at $0.95 and $4. Laguna S 2.1 takes the larger context window at 1M tokens, compared with 256K for Sakana Namazu. Laguna S 2.1 accepts text as input, while Sakana Namazu accepts text and images.

CharacteristicLaguna S 2.1Sakana Namazu
CompanyPoolsideSakana AI
Release DateJuly 21, 2026August 3, 2026
Parameters118B
MultimodalNoYes
Context (input)1.0M256K
Context (output)256K
Input Price / 1M$0.10$0.95
Output Price / 1M$0.20$4.00
Average Score57.4%92.4%

Verdict

Laguna S 2.1 leads in 2 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: Laguna S 2.1 — 0.6, Sakana Namazu — 0.9.

API Cost

Laguna S 2.1 is 16.5x cheaper: input $0.10/1M vs $0.95/1M tokens.

Context Window

Laguna S 2.1 supports a larger context: 1M vs 256K tokens.

Recency

Both models were released around the same time: 7/21/2026 and 8/3/2026.

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Frequently Asked Questions

Which is better for coding — Laguna S 2.1 or Sakana Namazu?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Laguna S 2.1 or Sakana Namazu?
Laguna S 2.1 is cheaper for input: $0.10 per 1M tokens vs $0.95.
Which has a larger context window — Laguna S 2.1 or Sakana Namazu?
Laguna S 2.1 supports a larger context: 1,048,576 tokens vs 256,000.

The Laguna S 2.1 and Sakana Namazu comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Laguna S 2.1 or Sakana Namazu page. See also the complete list of AI model comparisons.